2054406245 has 4 divisors (see below), whose sum is σ = 2465287500. Its totient is φ = 1643524992.

The previous prime is 2054406203. The next prime is 2054406247. The reversal of 2054406245 is 5426044502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 333318049 + 1721088196 = 18257^2 + 41486^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054406245 - 2⁶ = 2054406181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054406247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205440620 + ... + 205440629.

It is an arithmetic number, because the mean of its divisors is an integer number (616321875).

Almost surely, 2^2054406245 is an apocalyptic number.

It is an amenable number.

2054406245 is a deficient number, since it is larger than the sum of its proper divisors (410881255).

2054406245 is an equidigital number, since it uses as much as digits as its factorization.

2054406245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410881254.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2054406245 is about 45325.5584080329. The cubic root of 2054406245 is about 1271.2435883329.

The spelling of 2054406245 in words is "two billion, fifty-four million, four hundred six thousand, two hundred forty-five".